12979427216

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{3203}}^1$

素因数の和:3688

約数の個数: 80

約数和(自身を含む): 29123385984

約数和(自身を除く): 16143958768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 373, 388, 679, 746, 776, 1358, 1492, 1552, 2611, 2716, 2984, 3203, 5222, 5432, 5968, 6406, 10444, 10864, 12812, 20888, 22421, 25624, 36181, 41776, 44842, 51248, 72362, 89684, 144724, 179368, 253267, 289448, 310691, 358736, 506534, 578896, 621382, 1013068, 1194719, 1242764, 2026136, 2174837, 2389438, 2485528, 4052272, 4349674, 4778876, 4971056, 8363033, 8699348, 9557752, 16726066, 17398696, 19115504, 33452132, 34797392, 66904264, 115887743, 133808528, 231775486, 463550972, 811214201, 927101944, 1622428402, 1854203888, 3244856804, 6489713608, 12979427216]

約数ペア:

[(1, 12979427216), (2, 6489713608), (4, 3244856804), (7, 1854203888), (8, 1622428402), (14, 927101944), (16, 811214201), (28, 463550972), (56, 231775486), (97, 133808528), (112, 115887743), (194, 66904264), (373, 34797392), (388, 33452132), (679, 19115504), (746, 17398696), (776, 16726066), (1358, 9557752), (1492, 8699348), (1552, 8363033), (2611, 4971056), (2716, 4778876), (2984, 4349674), (3203, 4052272), (5222, 2485528), (5432, 2389438), (5968, 2174837), (6406, 2026136), (10444, 1242764), (10864, 1194719), (12812, 1013068), (20888, 621382), (22421, 578896), (25624, 506534), (36181, 358736), (41776, 310691), (44842, 289448), (51248, 253267), (72362, 179368), (89684, 144724)]